diff --git a/src/HighScore.cpp b/src/HighScore.cpp
index 2ac44e775c..f87906da2a 100644
--- a/src/HighScore.cpp
+++ b/src/HighScore.cpp
@@ -445,6 +445,12 @@ void HighScoreList::MergeFromOtherHSL(HighScoreList& other, bool is_machine)
 	vHighScores.erase(unique_end, vHighScores.end());
 	// Reverse it because sort moved the lesser scores to the top.
 	std::reverse(vHighScores.begin(), vHighScores.end());
+	
+	if (!PREFSMAN->m_bAllowMultipleHighScoreWithSameName)
+	{
+		// erase all but the highest score for each name
+		RemoveAllButOneOfEachName();
+	}
 	ClampSize(is_machine);
 }